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Home Q & A Board Science-Related Homework Help Chemistry (Moderator: Laser_3)
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11 years ago
Electrons moving at 3.7 x 10^4 m/s pass through an electric field with an intensity of 5.5 x 10^3 N/C. How large a magnetic field must the electrons also experience for their path to be undeflected?
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#1
11 years ago
For electron to go undeflected,
electric force = magnetic force
qE=qvB
B=E/v = 5.5 x 10^3 / (3.7 x 10^4) = 0.149 T
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